package com.zhl.common.config;

import com.zhl.common.vo.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.web.bind.MissingServletRequestParameterException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.NoHandlerFoundException;

import java.nio.file.AccessDeniedException;

/**
 * @author zhl
 * @Title: GobleExceptionHandler
 * @Description 全局异常处理器
 * @date： 2020/7/31 13:10
 * @version： V1.0
 */
@RestControllerAdvice
@Slf4j
public class GobleExceptionHandler {

	/**
	 * 处理自定义异常
	 */
	@ExceptionHandler(GobleException.class)
	public Result<?> handleRRException(GobleException e){
		log.error(e.getMessage(), e);
		return Result.error(e.getMessage());
	}

	@ExceptionHandler(NoHandlerFoundException.class)
	public Result<?> handlerNoFoundException(Exception e) {
		log.error(e.getMessage(), e);
		return Result.error(404, "路径不存在，请检查路径是否正确");
	}

	@ExceptionHandler(DuplicateKeyException.class)
	public Result<?> handleDuplicateKeyException(DuplicateKeyException e){
		log.error(e.getMessage(), e);
		return Result.error("数据库中已存在该记录");
	}

	@ExceptionHandler(AccessDeniedException.class)
	public Result<?> handleAuthorizationException(AccessDeniedException e){
		log.error(e.getMessage(), e);
		return Result.error("没有权限，请联系管理员授权");
	}

	@ExceptionHandler(Exception.class)
	public Result<?> handleException(Exception e){
		String message = "服务器异常，请稍后重试";
		if(e instanceof MissingServletRequestParameterException){
			message = "缺少必需参数: "+((MissingServletRequestParameterException) e).getParameterName();
		}
		log.error(e.getMessage(), e);
		return Result.error(message);
	}
}
